Burris 410678 Speed Bead Mt Beretta Speed bead, berretta extreme/2, 391, 391 light, urika/2 The Burris hunting line of Riflescopes builds on over 40 years of optical engineering experience to offer scopes with clarity and unfailing reliability Shooting and hunting is more than a hobby. It's a way of life. Burris has always been a part of that life